#define _CRT_SECURE_NO_WARNINGS 1

#include <stdio.h>
#include <math.h>
int main()
{
	double a, b, c;
	double x1;
	double x2;

	scanf("%lf%lf%lf", &a, &b, &c);
	if ( b * b - 4 * a * c >= 0)
	{
		x1 = (-b + sqrt(b * b - 4 * a * c)) / 2 * a;
		x2 = (-b - sqrt(b * b - 4 * a * c)) / 2 * a;
		printf("x1=%.2lf x2=%.2lf", x1, x2);
	}


	return 0;
}